81494910

素因数分解:

$2^1\times 3^6\times 5^1\times 7^1\times {\mathrm{1597}}^1$

素因数の和:1629

約数の個数: 112

約数和(自身を含む): 251512416

約数和(自身を除く): 170017506

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 243, 270, 315, 378, 405, 486, 567, 630, 729, 810, 945, 1134, 1215, 1458, 1597, 1701, 1890, 2430, 2835, 3194, 3402, 3645, 4791, 5103, 5670, 7290, 7985, 8505, 9582, 10206, 11179, 14373, 15970, 17010, 22358, 23955, 25515, 28746, 33537, 43119, 47910, 51030, 55895, 67074, 71865, 86238, 100611, 111790, 129357, 143730, 167685, 201222, 215595, 258714, 301833, 335370, 388071, 431190, 503055, 603666, 646785, 776142, 905499, 1006110, 1164213, 1293570, 1509165, 1810998, 1940355, 2328426, 2716497, 3018330, 3880710, 4527495, 5432994, 5821065, 8149491, 9054990, 11642130, 13582485, 16298982, 27164970, 40747455, 81494910]

約数ペア:

[(1, 81494910), (2, 40747455), (3, 27164970), (5, 16298982), (6, 13582485), (7, 11642130), (9, 9054990), (10, 8149491), (14, 5821065), (15, 5432994), (18, 4527495), (21, 3880710), (27, 3018330), (30, 2716497), (35, 2328426), (42, 1940355), (45, 1810998), (54, 1509165), (63, 1293570), (70, 1164213), (81, 1006110), (90, 905499), (105, 776142), (126, 646785), (135, 603666), (162, 503055), (189, 431190), (210, 388071), (243, 335370), (270, 301833), (315, 258714), (378, 215595), (405, 201222), (486, 167685), (567, 143730), (630, 129357), (729, 111790), (810, 100611), (945, 86238), (1134, 71865), (1215, 67074), (1458, 55895), (1597, 51030), (1701, 47910), (1890, 43119), (2430, 33537), (2835, 28746), (3194, 25515), (3402, 23955), (3645, 22358), (4791, 17010), (5103, 15970), (5670, 14373), (7290, 11179), (7985, 10206), (8505, 9582)]